A) 25 Hz
B) \[\frac{25}{\pi }HZ\]
C) \[50\,Hz\]
D) \[\frac{50}{\pi }\,Hz\]
Correct Answer: B
Solution :
Here, \[{{E}_{\upsilon }}=200\,V,L=5H,C=80\times {{10}^{-6}}\,F,\] \[R=40\,\Omega \] Resonance frequency, \[v=\frac{1}{2\pi \sqrt{LC}}\] \[v=\frac{1}{2\pi \sqrt{5\times 80\times {{10}^{-6}}}}=\frac{{{10}^{3}}}{2\pi \times 20}=\frac{25}{\pi }Hz\] Hence, the correction option is (b).You need to login to perform this action.
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